According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)

2/3) × Cd (L - nH) × √(2g) × H²

2/3) × Cd (L - nH) × √(2gh)

2/3) × Cd (L - 0.1nH) × √(2g) × H3/2

2/3) × Cd (L - nH) × √(2g) × H5/2

According to Francis formula, the discharge over a rectangular weir is

1.	According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)
A.	2/3) × Cd (L - nH) × √(2gh)
B.	2/3) × Cd (L - 0.1nH) × √(2g) × H3/2
C.	2/3) × Cd (L - nH) × √(2g) × H²
D.	2/3) × Cd (L - nH) × √(2g) × H5/2
Answer» C. 2/3) × Cd (L - nH) × √(2g) × H²